US12520663B2ActiveUtilityA1

Transparent display apparatus

61
Assignee: LG DISPLAY CO LTDPriority: Dec 23, 2021Filed: Oct 31, 2022Granted: Jan 6, 2026
Est. expiryDec 23, 2041(~15.5 yrs left)· nominal 20-yr term from priority
H10K 59/131H10K 59/88H10K 59/121H10K 59/35H10K 59/38G02F 1/136286G02F 1/13458G02F 1/13452H10K 50/86G02F 1/134345
61
PatentIndex Score
0
Cited by
12
References
16
Claims

Abstract

A transparent display apparatus is provided, in which reflection visibility between a display area and a non-display area is improved. The transparent display apparatus comprises a substrate provided with a display area, in which a plurality of pixels having a transmissive portion and a plurality of subpixels are disposed, and a non-display area near the display area, having a pad area, a line portion provided in the non-display area on the substrate, having a plurality of lines connected to the pad area, and a circuit portion having a plurality of circuits connected to the plurality of lines in the non-display area, wherein the line portion is disposed to be separated from the circuit portion.

Claims

exact text as granted — not AI-modified
The invention claimed is: 
     
         1 . A transparent display apparatus comprising:
 a substrate having a display area and a non-display area near the display area;   a plurality of pixels in the display area, each pixel having a transmissive portion and a plurality of subpixels;   a pad area in the non-display area;   a line portion disposed in the non-display area on the substrate, the line portion having a plurality of lines connected to the pad area; and   a circuit portion in the non-display area, the circuit portion having a plurality of circuits connected to the plurality of lines in the non-display area, the circuit portion being separated from the line portion,   wherein the circuit portion includes a common control portion including a plurality of circuits and a buffer portion between the common control portion and the display area,   wherein the line portion further includes a plurality of signal lines respectively connected to the plurality of circuits of the common control portion, and   wherein the common control portion includes a plurality of common lines connecting the plurality of circuits to each other.   
     
     
         2 . The transparent display apparatus of  claim 1 , further comprising a GIP transmissive portion positioned between the plurality of lines and/or between the plurality of circuits. 
     
     
         3 . The transparent display apparatus of  claim 1 , wherein the non-display area includes a pad non-display area in which the pad area is disposed, and
 the plurality of lines are spaced apart from each other in the pad non-display area.   
     
     
         4 . The transparent display apparatus of  claim 1 , wherein the buffer portion includes a plurality of sub buffers, and
 the plurality of sub buffers are connected to the common control portion through a buffer line.   
     
     
         5 . The transparent display apparatus of  claim 4 , wherein the buffer line includes a main buffer line connected to at least one of the plurality of circuits included in the common control portion, and a plurality of branch buffer lines connecting the main buffer line with each of the plurality of sub buffers. 
     
     
         6 . The transparent display apparatus of  claim 1 , wherein the buffer portion includes a plurality of sub buffers, and
 the line portion includes a plurality of clock lines respectively connected to the sub buffers and a ground line connected to all of the plurality of sub buffers.   
     
     
         7 . The transparent display apparatus of  claim 6 , wherein
 the plurality of signal lines is disposed in parallel between the ground line and the buffer portion.   
     
     
         8 . The transparent display apparatus of  claim 7 , wherein each of the plurality of signal lines shares the plurality of circuits of the common control portion. 
     
     
         9 . The transparent display apparatus of  claim 1 , wherein the common control portion further includes a dummy pattern disposed between the plurality of circuits. 
     
     
         10 . The transparent display apparatus of  claim 9 , wherein the dummy pattern includes:
 a first metal layer disposed on the substrate;   a second metal layer disposed on the first metal layer; and   a third metal layer disposed on the second metal layer, and   the first metal layer at least partially overlaps the second metal layer and the third metal layer.   
     
     
         11 . The transparent display apparatus of  claim 10 , wherein the first metal layer is disposed on the same layer as a common voltage line provided on the substrate,
 the second metal layer is provided on the same layer as a gate electrode provided in the plurality of subpixels, and   the third metal layer is provided on the same layer as a source electrode provided on the gate electrode.   
     
     
         12 . A transparent display apparatus comprising:
 a substrate having a display area and a non-display area near the display area;   a plurality of pixels in the display area, each pixel having a transmissive portion and a plurality of subpixels;   a pad area;   a line portion provided in the non-display area on the substrate, the line portion having a plurality of lines connected to the pad area; and   a circuit portion having a plurality of circuits connected to the plurality of lines in the non-display area,   wherein the circuit portion is disposed between the line portion and the display area, wherein   the circuit portion includes a common control portion including a plurality of circuits and a buffer portion between the common control portion and the display area, and   wherein the common control portion includes a plurality of common lines connecting the plurality of circuits to each other.   
     
     
         13 . The transparent display apparatus of  claim 12 , wherein the non-display area includes a pad non-display area in which the pad area is disposed, and
 the plurality of lines do not overlap each other in the pad non-display area.   
     
     
         14 . The transparent display apparatus of  claim 12 , wherein the line portion includes a plurality of signal lines respectively connected to the plurality of circuits of the common control portion, and
 each of the plurality of signal lines respectively shares the plurality of circuits of the common control portion.   
     
     
         15 . The transparent display apparatus of  claim 12 , wherein the common control portion further includes a dummy pattern disposed between the plurality of circuits. 
     
     
         16 . The transparent display apparatus of  claim 15 , wherein the dummy pattern includes:
 a first metal layer disposed on the substrate;   a second metal layer disposed on the first metal layer; and   a third metal layer disposed on the second metal layer, and   the first metal layer at least partially overlaps the second metal layer and the third metal layer.

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